3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(int $arg) { return $arg; } var_dump(foo(true));
based on e1s4D
Output for 7.0.0 - 7.2.0
int(1)
Output for 5.3.19 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be an instance of int, boolean given, called in /in/3lhZ1 on line 7 and defined in /in/3lhZ1 on line 3
Process exited with code 255.